I know this is a late entry to this thread, but I was at the tournament last week, and didn't see the latest responses until today.
When comparing bowling in a pro-am to attending a sporting event (NFL, NBA, MLB, NASCAR), you are not comparing apples to apples. The appropriate comparison would not be to bowling with the pros but to going to watch the pros as a spectator. That would have cost anywhere from $10 to $20 a session, depending on which day you went, excluding the TV show. That makes attending a PBA Tour event a real bargain.
However, having said that, being able to actually bowl with the pros (apples) and attending a big-time sporting event like NFL, NBA, MLB, or NASCAR (oranges) for somewhat comparable money is, as AlaskaBill pointed out, a pretty good deal.
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RW (THB)